In his last start on Friday, Chico walked six batters in five innings against the Diamondbacks. It prompted general manager Jim Bowden to activate right-hander Shawn Hill sooner than expected.
"I'm not ready to jump on the Chico bashing that has been out there," Acta said. "[Seven] of our [starters] have been on the DL, and I've been able to count on Chico every fifth day. I don't think I'm going to be changing my mind [about Chico] because some guys come up here and have two or three good outings. We do look at stuff, age and all of that, but we are not going to forget what we've seen in the past."
As for Hill, Acta said the right-hander has nothing to prove, believing that the record (3-3, 2.70) he put up before he hurt his right elbow and left shoulder was not a fluke.
"He could struggle the rest of the way. We know his stuff is there. It's just about him being healthy," Acta said. "He doesn't have to prove anything to me regarding performance."
On Tuesday, Hill will throw no more than 80 pitches against the Phillies.
Off the bench: Infielder Tony Batista is known to be a streaky hitter. For that reason, Acta thought Batista may have problems getting used to coming off the bench. However, Batista is the team's best pinch-hitter, going 10-for-35 (.286) with eight RBIs.
"He has done a tremendous job coming off the bench -- righties, lefties, it doesn't matter," Acta said. "We are that confident in him that he is our best bat off the bench."
Injury report: Jesus Colome (soft tissue infection in his right buttocks) pitched one shutout inning for the Gulf Coast Nationals on Sunday.
Stat of the day: The Nationals are 4-14 when they play on Tuesdays this season.
Did you know? The Nationals are 30-29 when they play at Robert F. Kennedy Stadium this season.
Coming up: The Nationals have the day off on Monday and then return to RFK to play a three-game series against the Phillies on Tuesday. The two teams have played each other eight times, with the Nationals winning three games.
In the opener, Washington right-hander Hill will face Philadelphia right-hander Kyle Lohse.